Iris Saar of Siyo Fitness reached her goal of sub-4 hours at the New York City Marathon earlier this month. As you can see Iris hit the books on VDOT so she could truly understand the method to the madness before customizing one of Dr. Daniels’ online training plans. All her diligence and new smarts paid off with a 16-minute new PR! Her official time was 3:52:19. [Full Results]

“Reading the Bible. I’m a Jack Daniels’ girl and my coaching relies a LOT on his perception of training and exercise physiology. I have PR’d this year myself like a crazy person using the VDOT method.”